Enhancing the efficiency of second harmonic generation from 800 nm wavelength using an 8-fold photonic quasi-crystal fiber

Ritapa Bhattacharjee, K. Senthilnathan, S. Sivabalan, Kaliyaperumal Nakkeeran, P. Rameshbabu

Research output: Contribution to journalArticle

Abstract

We model an 8-fold photonic quasi-crystal fiber (PQF) for enhancing the second harmonic generation efficiency from 800 nm wavelength. We find, structural arrangement of fiber mainly contributes in reducing of overlap area between fundamental and second harmonic. Also, the wave-vector mismatch between fundamental and second harmonic is reduced which, in turn, can help in easy fabrication of long quasi-phase matching period. We compute relative efficiency of SHG with 8-fold PQF and obtain an enhancement of 28.97% relative efficiency of second harmonic in 8-fold photonic quasi-crystal fiber (159.53%W-1cm-2) compared to 6-fold photonic quasi-crystal fiber (123.69% W-1cm-2) in our optimized design.

Original languageEnglish
Pages (from-to)2589-2592
Number of pages4
JournalInternational Journal of Applied Engineering Research
Volume8
Issue number19 SPEC.ISSUE
Publication statusPublished - 2013

Keywords

  • Overlap area
  • Photonic quasi-crystal fiber
  • Quasi phase matching
  • Second harmonic generation

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